vesoft-inc/nebula v1.0.0-rc2

Nebula Graph Release v1.0.0-RC2

on GitHub

Query Engine

• Support GROUP BY to group items that have the same values，often used with aggregate functions (COUNT, MAX, MIN, SUM, AVG, etc.) to group the result-set by one or more property field. #749
• UPDATE CONFIGS supports expression #1273
• Support changing log severity level and verbose level from console #1273
• Support IF... RETURN... to return the result if a specified condition is true #1233 #1246
• String properties could have unlimited length #1103
• Support GO FROM ... REVERSELY to implement reverse query #1349
• When insert vertices and edges, users can specify properties order instead of following the schema defined order #1219

Storage

• Support SHOW PARTS to fetch the partition information of current space #1086
• Support BALANCE STOP to stop load balance process #1238
• Support triggering the compaction and flush manually #677 #1240
• Change BlockBasedTable default block cache size from 4MB to 1024MB #1248
• Add max_edge_returned_per_vertex gflags option to limit the return size of supper vertex #1221
• Add cache for vertex #1294 #1268
• Upgrade dependencies folly and fbthrift  #1161

Tools

• Enhance CSV Importer, user can import CSV using docker image. See Nebula Importer for more details.

Client

• Add Python client, see Python Client for more details.
• For Golang client, see Go Client.
• For Java Client, see Java Client.

Changed/Removed

• Remove commands ADD/REMOVE HOSTS, the hosts could be discovered automatically #1172  

Coming soon

• See RoadMap for the features coming soon